There is no essential difference between the meanings of the phrases "essential to safety" and "essential for safety."
In may cases there is no difference between a Safety Audit and a Safety Inspection. Where there is one, it is because a particular company has specified that.
no difference
WHO ARE NON-ESSENTIAL WORKERS
Safeto officer polices safety advisor advisors on safety
essential:must have desirable:you have
essential-needed to survive luxury-wanted
Federalist papers
essential means it is very important and nonessential means that it isn't important.
Essential oils are made by distillation process. Extracts can be extracted by pressuring plants.
There is no fundamental difference between a person designated as a "health and safety representative" and one designated a "representative of employees safety" - unless a specific employer or organization assigns differing responsibilities to the two.
The difference between Safety Engineering and Safety Management is essentially the same as the difference between engineering and management. Engineering is the application of technical, scientific, and mathematical knowledge to design, operate and maintain structures, machines, devices, systems, and processes. Management is, at its core, the process of getting people together to accomplish desired goals and objectives as a team.
Both are meaning the same definition. simply you put factor beyond the safety.